const hasOwnProperty = Object.prototype.hasOwnProperty;

export default function isShallowEqual(paramA, paramB) {
    const keysA = Object.keys(paramA);
    const keysB = Object.keys(paramB);

    if (keysA.length !== keysB.length) {
        return false;
    }

    for (let i = 0; i < keysA.length; i++) {
        if (!hasOwnProperty.call(paramB, keysA[i]) || paramA[keysA[i]] !== paramB[keysA[i]]) {
            return false;
        }
    }

    return true;
}
